Classification
| Rainfall Categories for Hong Kong in Various Seasons | |||
|---|---|---|---|
| Rainfall Categories | |||
| Season | Below Normal | Near Normal | Above Normal |
| Spring (Mar-Apr-May) | below 436 mm | 436 to 742 mm | above 742 mm |
| Summer (Jun-Jul-Aug) | below 986 mm | 986 to 1428 mm | above 1428 mm |
| Autumn (Sep-Oct-Nov) | below 375 mm | 375 to 574 mm | above 574 mm |
| Winter (Dec-Jan-Feb) | below 67 mm | 67 to 158 mm | above 158 mm |